<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>数据联动</title>
</head>

<body>

  省份：
  <select id="selProvince"></select>
  <select id="selCity"></select>

  <button id="btnOk">确定</button>
  <span id="spInfo"></span>

  <!-- 作业：完成部门员工联动和班级学生联动效果 -->

  <script src="js/links.js" type="module"></script>
</body>

</html>